It's Teaser Tuesday, a bookish blog meme hosted by MizB of Should Be Reading. Here's how it works:

Grab your current read and let it fall open to a random page. Post two (or more) sentences from that page, along with the title and author. Don’t give anything vital away!

“Finn realized that the Key must be linking into some circuitry in the tree itself, and for a moment a blur of vision caught him off guard, a sense that the whole of Incarceron was a great creature in whose entrails of wire and bone they crept.